نتایج جستجو برای: rare and valuable resources
تعداد نتایج: 16892617 فیلتر نتایج به سال:
Rural tourism is a highly comprehensive industry that drives rural revitalization and also an important support for consolidating the results of poverty eradication in future. Only through high-quality integration with unique local vernacular cultural resources can enhance its charm truly contribute to revitalization. However, new industries related are relatively rare, so demand tourists cultu...
The Persian walnut (Juglans regia L.) is one of the most valuable resources in Iran because of its multi benefits. The present study was conducted in Meshkin-Shahr in Ardabil province to investigate the important quantitative and qualitative characteristics of 31 walnut genotypes. Classification of genotypes was analyzed using the cluster method. The results showed that among selected walnut ge...
Human resources play a crucial role in the evolution of the organizations, and huge organizational developments caused by unlimited intellectual capacity of human resources. Therefore, of the priorities of any organization is to preserve these valuable resources. In this regard, an appropriate alternative is to improve the quality of work life in organizations. To this aim, the quality of work ...
D. Mao, Z. Wang, L. Li, Z. Miao, W. Ma, C. Song, C. Ren, and M. Jia Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, No. 4888, Shengbei Street, Changchun, Jilin Province 130102, China Department of Earth Sciences, Indiana University-Purdue University, Indianapolis 46202, USA Jilin Province Water Resource and Hydrop...
İnsanlık, Neolitik çağdan beri “siyah altın” adını verdikleri kömüre neredeyse bağımlı halde yaşamlarını sürdürmüşlerdir. Özelliklede 18. Yüzyılın sanayı devriminden enerji ihtiacını karşılamada popüler bir yakıt olmuştur. Ancak kömürün göz ardı edilemez çevresel yan etkileri bulunmaktadır. Son zamanlarda kullanımı için kısıtlamalar yapılsa da, ardında bıraktığı uçucu kül gibi artıklar hem depo...
Himalayan glaciers are a focus of public and scientific debate. Prevailing uncertainties are of major concern because some projections of their future have serious implications for water resources. Most Himalayan glaciers are losing mass at rates similar to glaciers elsewhere, except for emerging indications of stability or mass gain in the Karakoram. A poor understanding of the processes affec...
1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...
Publicly available biological resources form a complex maze of highly heterogeneous data sources, interconnected by navigational capabilities and applications. Although it offers scientists multiple valuable options, it becomes difficult for them to select the best resources to obtain and exploit their data of interest. When expressing a scientific protocol, they struggle with consolidating the...
The rare earth elements (REE) form the largest chemically coherent group in the periodic table. Though generally unfamiliar, the REE are essential for many hundreds of applications. The versatility and specificity of the REE has given them a level of technological, environmental, and economic importance considerably greater than might be expected from their relative obscurity. The United States...
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